Electrical Category
Safety
Electrical Subcategory
Fire Prevention
Application
protect an electrical box and maintain fire-resistance ratings of wall assemblies, when the horizontal separation between metallic boxes on opposite sides of the wall is less than 24" (610 mm).
Brand Name
SpecSeal/Powershield
Composition
Intumescent insert
Coverage
16 to 24X (free expansion)
MsdsURL
https://files.stifirestop.com/5.%20Safety%20Data%20Sheet/1.%20English/SDS_EP%20Power%20Shield%20Electrical%20Box%20Insert.pdf
Special Features
Tested in boxes up to 4-1/2 in. x 14 in. x 2-1/2 in., Suitable for steel and plastic face plates., Easily pre-installs before shipping to the jobsite., Eliminates the need for putty.
Standard
UL263 (ASTM E119, NFPA 251)
Type
Electrical Box Insert
Manufactured By
STI - Specified Technologies Inc